Gas chromatography (GC) is an analytical technique used to separate and analyze compounds that can be vaporized without decomposition. In forensic science, GC is invaluable for identifying and quantifying substances present in various types of evidence.Gas chromatography offers several advantages that make it indispensable in forensic science:<ul><li>GC can detect and identify minute quantities of substances, even at trace levels, allowing forensic scientists to analyze small samples effectively.</li><li>It is capable of analyzing a wide range of volatile and semi-volatile compounds, making it suitable for various types of forensic evidence, including drugs, explosives, and environmental samples.</li><li>GC provides precise measurements of compound concentrations, which is essential for determining levels of substances such as blood alcohol content or drug quantities in forensic toxicology reports.</li><li>It can quickly separate and analyze compounds, enabling timely processing of forensic evidence, which is crucial in criminal investigations.</li><li>Combining GC with mass spectrometry enhances the ability to identify compounds with high accuracy, even in complex mixtures, by providing both separation and molecular identification.</li></ul>These advantages make gas chromatography a powerful tool in forensic investigations, aiding in the accurate detection and analysis of chemical substances found at crime scenes.<h4>How Gas Chromatography Works?</h4>In simple terms, gas chromatography involves the following steps:<ul><li>Sample Introduction: A small amount of the sample is injected into the chromatograph.</li><li>Vaporization: The sample is heated and vaporized.</li><li>Carrier Gas: An inert gas, such as helium or nitrogen, carries the vaporized sample through a column containing a stationary phase.</li><li>Separation: As the sample moves through the column, its components interact differently with the stationary phase, causing them to separate based on their chemical properties.</li><li>Detection: Separated compounds exit the column and are detected, producing a chromatogram - a visual output that displays the presence and quantity of each component.</li></ul><h4>Applications of Gas Chromatography in Forensics</h4>GC is an important l tool in forensic science, offering a wide range of applications that aid in the investigation and resolution of criminal cases. Here are some of the key applications:<h5>Drug Analysis and Toxicology</h5><ul><li>Drug Detection: GC is used to identify and quantify drugs in biological samples such as blood, urine, or hair. This helps determine if a suspect was under the influence during a crime and aids in postmortem toxicology to establish the cause of death.</li><li>Toxicology: GC helps detect toxic substances like poisons, which is vital for determining the cause of death and intent in criminal cases.</li></ul><h5>Arson Investigations</h5>GC is used to analyze fire debris for accelerant residues, helping investigators determine the cause of fires and identify potential arson.<h5>Crime Scene Analysis</h5>GC can analyze samples from crime scenes, such as blood or fibers, to identify substances and potentially link suspects to the scene.<h5>Forensic Pathology</h5>GC helps analyze bodily fluids to determine if alcohol, drugs, or poisons were present at the time of death, aiding in pathology conclusions.Forensic laboratories utilize advanced <a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/industries/forensic-toxicology">forensic toxicology solutions</a> to detect and analyze toxins and drugs in biological samples. Among these, <a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/techniques/gc">gas chromatography techniques</a> are essential for separating and identifying volatile compounds in complex mixtures, enhancing the accuracy of toxicological analyses.<h4>Challenges of Using GC in Forensics</h4>Despite its advantages, there are several challenges and considerations that forensic scientists must address when using GC in their investigations.<ul><li>One of the primary limitations of GC is the coelution of compounds, where multiple substances elute from the column at the same time, making it difficult to separate, identify and quantity them correctly.</li><li>GC requires careful sample preparation, including extraction and cleanup procedures, which can be time-consuming and require specialized equipment and expertise. This complexity can delay analysis and increase costs.</li><li>GC is primarily suited for the analysis of volatile and semi-volatile organic compounds. It is not suitable for many types of inorganic compounds or biopolymers, limiting its applicability in certain forensic contexts.</li><li>The presence of certain compounds in the sample can interfere with the accuracy of GC analysis, leading to false positives or false negatives. Additionally, matrix effects can affect the reliability of the results, requiring careful sample preparation and the use of internal standards to minimize these issues.</li></ul><h4>Important Factors to Consider When Using GC for Forensics</h4><ul><li>Ensuring that GC instruments are properly calibrated and validated is crucial for obtaining reliable results. Regular maintenance and quality control measures are essential to prevent instrument drift and ensure consistency in analysis. Specialized <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products?category=7&amp;manufacturerItems=50">gas chromatography</a> products are employed, ensuring precise and reliable results in forensic investigations.</li><li>The interpretation of GC data requires expertise, as the chromatograms can be complex, especially in cases involving mixtures of substances. Experienced analysts are needed to accurately identify and quantify components.</li><li>Forensic GC analyses must comply with legal standards and regulations. This includes adhering to specific protocols for sample handling, analysis, and reporting to ensure that evidence is admissible in court.</li><li>Combining GC with other analytical techniques, such as mass spectrometry (MS), can enhance its capabilities. For example, GC-MS is widely used in forensic analysis due to its ability to provide detailed information about the molecular weight and elemental composition of compounds.</li></ul>By understanding these challenges and considerations, forensic scientists can effectively utilize GC to analyze evidence.

Role of Gas Chromatography in Forensics

Autumn has already turned the leaves into vibrant shades, and with the end of the year approaching, we would like to thank you - before the first snowflakes arrive - for your trust, cooperation, and continued interest in our products and services.As a long-standing distributor of Thermo Scientific Finnpipette products, we know that the accuracy and reliability of laboratory results often begin with seemingly small details. Choosing the right pipette and tip is one of the first steps toward a successful analysis.That is why we have prepared an EXCLUSIVE offer to help you replenish your laboratory supplies at a more attractive price, while also thanking you for your continued cooperation and trust.<blockquote>EXCLUSIVE OFFER valid until the end of 2026<ul><li>10% off tips</li><li>10% off pipettes</li></ul>Enter the code “KAŠTANY” in your order or include it in your order e-mail.*For larger orders, an additional discount may be available.</blockquote><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_pipety_a_spicky_thermo_20c5943161.jpg" alt="analytika: Thermo Scientific Pipettes and Tips" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_pipety_a_spicky_thermo_20c5943161.jpg 146w," sizes="100vw" width="1500" height="1605"><h4>LIMITED OFFER WHILE STOCKS LAST</h4><h5>Everything ages. Precision remains.</h5>Finnpipette tips are proof of that.<h4>Tip Offer</h4><h5>FT 200 FLEX Tips</h5><ul><li>Code: L94060320</li><li>Pack size: 1,000 pcs</li><li>LOT: 20165B0</li><li>EXP: 20 June 2025</li><li>Price: CZK 1,761 (30% discount)</li></ul><h5>FT 1000 Tips</h5><ul><li>Code: L9401070</li><li>Pack size: 200 pcs/box</li><li>LOT: 20346A0</li><li>EXP: 20 December 2025</li><li>Price: CZK 464 (30% discount)</li></ul><h5>Labtip Blue Tips</h5><ul><li>Code: L94300250</li><li>Pack size: 60 pcs/rack</li><li>LOT: 21104B2</li><li>EXP: 20 April 2026</li><li>Price: CZK 206 (20% discount)</li></ul><h5>FT Filter Sterile 10 µL Tips</h5><ul><li>Code: L94052100</li><li>Pack size: 10 × 96 pcs/rack</li><li>LOT: 21136B1</li><li>EXP: 20 May 2026</li><li>Price: CZK 3,740 (20% discount)</li></ul><h4>Types of Thermo Fisher Scientific Pipette Tips</h4><h5>FILTERED</h5><ul><li>help prevent aerosol contamination,</li><li>suitable for PCR and critical samples.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_s_filtrem_4eb500736e.jpg" alt="analytika: Thermo Fisher Scientific Filtered Tip" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_s_filtrem_4eb500736e.jpg 245w," sizes="100vw" width="450" height="120"><h5>NON-FILTERED</h5><ul><li>economical and high quality,</li><li>suitable for routine samples.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_bez_filtru_eea16c4ae1.jpg" alt="analytika: Thermo Fisher Scientific Non-Filtered Tips" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_bez_filtru_eea16c4ae1.jpg 245w," sizes="100vw" width="442" height="147"><h5>EXTENDED-LENGTH</h5><ul><li>allow deeper access while helping reduce contamination risk,</li><li>suitable for tissue culture, media preparation, and tall laboratory vessels.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_prodlouzene_2005b4125f.jpg" alt="analytika: Thermo Fisher Scientific Extended-Length Tip" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_prodlouzene_2005b4125f.jpg 245w," sizes="100vw" width="407" height="118"><h5>MICRO</h5><ul><li>improve accuracy for low-volume samples and support efficient sample transfer,</li><li>suitable for critical and valuable samples and low-volume pipetting.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_micro_9b5879704a.jpg" alt="analytika: Thermo Fisher Scientific Micro Tip" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_micro_9b5879704a.jpg 245w," sizes="100vw" width="435" height="115"><h5>MACRO</h5><ul><li>improve accuracy when working with larger sample volumes,</li><li>can serve as an alternative to serological pipettes.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_macro_8fb12684a7.jpg" alt="analytika: Thermo Fisher Scientific Macro Tip" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_macro_8fb12684a7.jpg 245w," sizes="100vw" width="395" height="121"><h5>WIDE-BORE</h5><ul><li>the wide opening helps prevent cell lysis and improves accuracy when working with viscous solutions,</li><li>suitable for cell handling, macromolecular structures such as DNA, and highly viscous solutions.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/analytika_spicky_Thermo_siroky_otvor_9d6ad5537e.jpg" alt="analytika: Thermo Fisher Scientific Wide-Bore Tip" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_analytika_spicky_Thermo_siroky_otvor_9d6ad5537e.jpg 245w," sizes="100vw" width="397" height="127">

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Breathomics, Asthma & GC×GC: PH Stefanuto on Fighting the “Proof‑of‑Concept” Trap

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Analytika is a Czech company that offers and produces certified reference materials (CRM) and (ultra)pure chemicals for quality control and quality assurance in laboratories, including accredited laboratories.

Our portfolio also includes pipettes and tips, digestors, PFA labware and other equipment for analytical laboratory and trace analysis.

ANALYTIKA

Phenomenex is a global technology leader committed to developing novel analytical chemistry solutions that solve the separation and purification challenges of researchers in industrial, government and academic laboratories.

Phenomenex

Organomation, founded in 1959, designs and manufactures high-quality nitrogen evaporators and extraction systems. Known for innovation and durability, their lab instruments are used globally for efficient sample preparation with strong customer support.

Organomation

Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer

Shimadzu UV-2600i Plus and UV-2700i Plus spectrophotometers deliver high performance with flexible wavelength ranges, advanced optics, and efficient software control.

<h4>Versatile, Expandable Mid-Range UV Spectrophotometers for Diverse Applications</h4><section><section><section><ul><li>The UV-2600i Plus is a single monochromator system with an expandable wavelength range up to 1400 nm using an optional integrating sphere, making it adaptable for various needs.</li><li>The UV-2700i Plus is a double monochromator system capable of 8-Abs measurements, ideal for low transmittance samples.</li></ul>Both models come equipped with the intuitive Shimadzu LabSolutions UV-Vis software, ensuring data integrity and ease of use. Additionally, these spectrophotometers can be scheduled to shut down or enter sleep mode to save power and lamp life, and can automatically wake up at a specified time, enhancing efficiency. Elevate your analysis with these versatile and efficient spectrophotometers.<h3>Features</h3><h3>Perfect for a Wide Variety of Applications</h3>The functionality of the UV-2600i Plus /2700i Plus can be freely expanded to suit the measurement objective. By accommodating a wealth of accessories, the system can address any user’s applications and a variety of situations. Thanks to intuitive operations, anyone can easily obtain the data required.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_e5efa72f19.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer.jpg" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_e5efa72f19.jpg 245w," sizes="100vw" width="1040" height="561"><h5>Single monochromator UV-2600i Plus</h5>A key feature of the UV-2600i Plus equipped with a single monochromator is its measurement wavelength range. By using the optional ISR-2600Plus Integrating Sphere attachment, the measurement wavelength range can be extended from 220 nm to 1400 nm, significantly expanding its applications.Integrating Sphere Enables Measurements to 1400 nmThe UV-2600i Plus is equipped with Shimadzu's proprietary LO-RAY-LIGH™ grade diffraction grating, which achieves high efficiency and low stray light levels. By installing the ISR-2600Plus two-detector integrating sphere, the 300 nm to 1100 nm wavelength range of conventional models can be extended to 1400 nm. In addition, the UV-2600i achieves a significant noise reduction, and can accommodate measurements of solar cell anti-reflective films and polycrystalline silicon wafers.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_11_40f2d1e598.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_11_40f2d1e598.jpg 245w," sizes="100vw" width="365" height="228"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_12_b71fa50d8f.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_12_b71fa50d8f.jpg 245w," sizes="100vw" width="1052" height="433"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_13_6adf0a1565.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_13_6adf0a1565.jpg 245w," sizes="100vw" width="1052" height="466"><h4>Measures Slight Differences in Absorbance</h4>Equipped with a double monochromator that achieves ultra-low stray light levels, the UV-2700i Plus is optimal for measuring low transmittance samples, such as polarization films used for LCD panels. The UV-2700i Plus is capable of 8 Abs measurements, and can make accurate transmittance measurements to 1 part in 100 million, accommodating a variety of sample measurements.Achieves Ultra-Low Stray Light, Enabling 8-Abs MeasurementsIn the case of a device equipped with a general double monochromator, the absorbance that can be covered is about 5 to 6, but the UV-2700i Plus offers a range to 8 Abs, with a transmittance value of 0.000001 % (1 part in 100 million). This system achieves high-level absorbance measurements with incomparable precision. In addition to measuring even high-concentration samples as is, eliminating the need to dilute samples, the system can be applied to evaluating the transmission characteristics of polarization films. Wavelengths in the 400 nm to 650 nm range can be measured to 8 Abs.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_16_a08f314ee7.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_16_a08f314ee7.jpg 164w," sizes="100vw" width="511" height="485"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_14_0d004ee208.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_14_0d004ee208.jpg 245w," sizes="100vw" width="1052" height="466">Sample Polarization Film MeasurementWith the rotating film holder (image below), two film samples can be set on the same optical axis. In this example, the polarization film is rotated in the plane, and the transmittance is measured when the film transmits and blocks light.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_1_5ff393836a.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_1_5ff393836a.jpg 163w," sizes="100vw" width="397" height="381"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_2_f293cd4e0e.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_2_f293cd4e0e.jpg 184w," sizes="100vw" width="450" height="381"><h4>Enables Compliance with ER/ES Regulations and Stronger Data Management</h4><div><div>Compatible with Validation from PC SoftwareValidation can be implemented with PC software using UV validation software. In addition to simplifying daily inspections, this makes instrument performance checks and records management easier, enabling more secure regulatory compliance.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_18_1aa29e9a5d.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_18_1aa29e9a5d.jpg 232w," sizes="100vw" width="450" height="302"><ul><li>Inspection results can not only be printed but also saved to a file, so the results can be called up later for confirmation.</li><li>The inspection parameters can also be saved to separate files for periodic and routine inspections and then called up for use.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_19_7395087cba.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_19_7395087cba.jpg 232w," sizes="100vw" width="450" height="302"><ul><li>The user can select confirmation of instrument performance indicators as per JIS K 0115 General rules for molecular absorptiometric analysis, as well as the general test methods in the Japanese Pharmacopeia. (Order inspection jigs and reagents separately.)</li></ul>Note: Optional validation software is required to support the US Pharmacopeia and European Pharmacopeia.Support for FDA 21 CFR Part 11, PIC/S GMP Guidelines and Other Regulations and GuidelinesEnsuring the integrity of data (database management), including the user management, user authority management, and data audit trails required for compliance with FDA 21 CFR Part 11, PIC/S GMP guidelines, and other ER/ES regulations is possible.Option Software Assists with Regulation-Compliant ValidationUV validation software assists with performing the measurements and calculations required for validation. The software is included standard with UV-2600i/2700i models. In addition to routine inspections, it can also be used to perform instrument validation that is compliant with Japanese, US, and European pharmacopoeias.Assist FunctionThe instrument assists the user to ensure that measurements are performed using the correct procedure.*1<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_10_a30e63a8a4.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_1900i_Plus_UV_VIS_spectrophotometer_10_a30e63a8a4.jpg 245w," sizes="100vw" width="1201" height="212">*1 This function can be enabled/disabled.Shutdown/Wakeup Functions<section><div>The instrument can be shut down, and put into sleep mode. Putting the instrument into sleep mode limits power consumption and helps preserve the lamp. After a long period of measurements, the instrument and software can automatically be shut down. After shutdown, the instrument can also be set to wake up automatically at a specified time. With this function, analysis can start the instant the user arrives at the laboratory.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_15_45b844fcc9.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_15_45b844fcc9.jpg 245w," sizes="100vw" width="781" height="258"></div></section><h3>Applications</h3><h4>Electricity, Electronics, and Optics</h4>Band Gap Measurements for Compound Semiconductors<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_3_03d8793fe0.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: The diffuse reflection spectra for two types of compound semiconductors (red line: Culn0.5Ga0.5Se2, blue line: CulnSe2) used as solar cell materials were measured using the ISR-2600Plus integrating sphere. It is evident that the absorption edge (position where the reflectance drops) differs depending on the sample. This difference signifies a difference in the band gap* for these samples. (The samples were provided by Wada Laboratory, Faculty of Science and Technology, Ryukoku University.) The band gaps for the samples were calculated utilizing the Tauc method. The results obtained were 1.27 eV for Culn0.5Ga0.5Se2 (red line) and 0.99 eV for CulnSe2 (blue line). *The term band gap refers to the energy difference between the top of the valence band, which is full of electrons, and the bottom of the conduction band, which does not contain electrons." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_3_03d8793fe0.jpg 222w," sizes="100vw" width="519" height="364"><h4>Chemicals</h4>Thickness Measurements of Cling Films<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_4_a5e83ed3ad.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: Undulating interference waveforms sometimes occur if light is passed through a film. The film thickness of a sample can be determined by using these interference waveforms. The figure shows transmittance data for a cling film. A clear interference waveform is produced. Utilizing optional film thickness measurement software, the film thickness is calculated as 10.4 μm. (Caution) The sample's refractive index must be entered for the film thickness calculation." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_4_a5e83ed3ad.jpg 222w," sizes="100vw" width="1038" height="728"><h4>Medicines</h4>Evaluating Thermal Stability (Tm) Analysis of Oligonucleotide Therapeutics<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_5_c80d107f38.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: Oligonucleotide therapeutics samples (9 to 60 M) were analyzed using TMSPC™-8i and 1 mm optical path length cells. Since UV-2600i Plus /2700i Plus can measure over a wide dynamic range, it is possible to perform a thermal stability analysis of nucleic acid drugs by obtaining the Tm value from the melting curve." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_5_c80d107f38.jpg 222w," sizes="100vw" width="1038" height="728"><h4>Construction</h4>Window Glass Transmission Measurements<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_6_41420fd6ba.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: Two types of window glass were measured utilizing the ISR-2600Plus integrating sphere. The sample shown by the red line is highly transparent to near-infrared light at 800 nm or more. The sample shown by the blue line, however, is apparently not very transparent to near-infrared light." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_6_41420fd6ba.jpg 222w," sizes="100vw" width="519" height="364"><h4>Cosmetics</h4>Measurement of the Ultra Violet Protection Factor Assigned to Ultraviolet Protection Clothes<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_7_528f748880.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: The UV protection provided by clothes and an umbrella were analyzed by an ISR-2600Plus integrating sphere accessory. The transmittance spectrum of the umbrella (green) shows that very little UV radiation transmits through the umbrella. In regards to the clothing, the black areas block more UV radiation than do the white areas." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_7_528f748880.jpg 159w," sizes="100vw" width="474" height="465"><h4>Textiles</h4>Total Transmittance Spectrum of CNF<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_8_adb8c09844.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: An ISR-2600Plus integrating sphere was used to measure the total transmittance spectrum of cellulose nanofiber (CNF). Depending on the raw materials used, spectra can vary, transparency can vary, and spectral tendencies in the ultraviolet region can vary." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_8_adb8c09844.jpg 222w," sizes="100vw" width="519" height="364"><h4>Life Sciences</h4>DNA and Protein Measurements<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_9_40a6f16a7b.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: The red and blue lines are the absorption spectra for dsDNA and BSA (bovine serum albumin), respectively. The concentration values are 45 ng/μL for dsDNA and 2.2 mg/mL for BSA." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_9_40a6f16a7b.jpg 222w," sizes="100vw" width="519" height="364"><h4>Foods</h4>Vitamin Measurements<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_10_c7f5e10b1e.jpg" alt="Shimadzu UV-2600i Plus, UV-2700i Plus UV-VIS-NIR Spectrophotometer: This shows the absorption spectra for riboflavin (vitamin B2). The sample concentrations are, in order from the highest absorbance, 0.08, 0.04, 0.02, and 0.01 mg/mL." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Shimadzu_UV_2600i_Plus_UV_2700i_Plus_UV_VIS_NIR_Spectrophotometer_10_c7f5e10b1e.jpg 222w," sizes="100vw" width="1038" height="728"></div></div></section></section></section>

Products from Shimadzu - page 1

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